1 files changed, 94 insertions, 0 deletions
diff --git a/test/SemaOpenCL/printf-format-strings.cl b/test/SemaOpenCL/printf-format-strings.cl
new file mode 100644
index 0000000000000..079a83495685e
--- /dev/null
+++ b/test/SemaOpenCL/printf-format-strings.cl
@@ -0,0 +1,94 @@
+// RUN: %clang_cc1 -cl-std=CL1.2 -cl-ext=+cl_khr_fp64 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -cl-std=CL1.2 -cl-ext=-cl_khr_fp64 -fsyntax-only -verify %s
+
+typedef __attribute__((ext_vector_type(2))) float float2;
+typedef __attribute__((ext_vector_type(4))) float float4;
+
+typedef __attribute__((ext_vector_type(2))) int int2;
+typedef __attribute__((ext_vector_type(4))) int int4;
+typedef __attribute__((ext_vector_type(16))) int int16;
+
+int printf(__constant const char* st, ...) __attribute__((format(printf, 1, 2)));
+
+kernel void format_v4f32(float4 arg)
+{
+#ifdef cl_khr_fp64
+    printf("%v4f\n", arg);
+
+    // Precision modifier
+    printf("%.2v4f\n", arg);
+#else
+    // FIXME: These should not warn, and the type should be expected to be float.
+    printf("%v4f\n", arg);  // expected-warning {{double __attribute__((ext_vector_type(4)))' but the argument has type 'float4' (vector of 4 'float' values)}}
+
+    // Precision modifier
+    printf("%.2v4f\n", arg); // expected-warning {{double __attribute__((ext_vector_type(4)))' but the argument has type 'float4' (vector of 4 'float' values)}}
+#endif
+}
+
+kernel void format_only_v(int arg)
+{
+    printf("%v", arg); // expected-warning {{incomplete format specifier}}
+}
+
+kernel void format_missing_num(int arg)
+{
+    printf("%v4", arg); // expected-warning {{incomplete format specifier}}
+}
+
+kernel void format_not_num(int arg)
+{
+    printf("%vNd", arg); // expected-warning {{incomplete format specifier}}
+    printf("%v*d", arg); // expected-warning {{incomplete format specifier}}
+}
+
+kernel void format_v16i32(int16 arg)
+{
+    printf("%v16d\n", arg);
+}
+
+kernel void format_v4i32_scalar(int arg)
+{
+   printf("%v4d\n", arg); // expected-warning  {{format specifies type 'int __attribute__((ext_vector_type(4)))' but the argument has type 'int'}}
+}
+
+kernel void format_v4i32_wrong_num_elts_2_to_4(int2 arg)
+{
+    printf("%v4d\n", arg); // expected-warning {{format specifies type 'int __attribute__((ext_vector_type(4)))' but the argument has type 'int2' (vector of 2 'int' values)}}
+}
+
+kernel void format_missing_num_elts_format(int4 arg)
+{
+    printf("%vd\n", arg); // expected-warning {{incomplete format specifier}}
+}
+
+kernel void format_v4f32_scalar(float arg)
+{
+    printf("%v4f\n", arg); // expected-warning {{format specifies type 'double __attribute__((ext_vector_type(4)))' but the argument has type 'float'}}
+}
+
+kernel void format_v4f32_wrong_num_elts(float2 arg)
+{
+    printf("%v4f\n", arg); // expected-warning {{format specifies type 'double __attribute__((ext_vector_type(4)))' but the argument has type 'float2' (vector of 2 'float' values)}}
+}
+
+kernel void format_missing_num_elts(float4 arg)
+{
+    printf("%vf\n", arg); // expected-warning {{incomplete format specifier}}
+}
+
+kernel void vector_precision_modifier_v4i32_to_v4f32(int4 arg)
+{
+    printf("%.2v4f\n", arg); // expected-warning {{format specifies type 'double __attribute__((ext_vector_type(4)))' but the argument has type 'int4' (vector of 4 'int' values)}}
+}
+
+kernel void invalid_Y(int4 arg)
+{
+    printf("%v4Y\n", arg); // expected-warning {{invalid conversion specifier 'Y'}}
+}
+
+// FIXME: This should warn
+kernel void crash_on_s(int4 arg)
+{
+    printf("%v4s\n", arg);
+}